1 files changed, 35 insertions, 4 deletions

diff --git a/include/linux/hsi/hsi.h b/include/linux/hsi/hsi.h
index 39bfd5b89077..3ec06300d535 100644
--- a/include/linux/hsi/hsi.h
+++ b/include/linux/hsi/hsi.h
@@ -68,17 +68,31 @@ enum {
 };
 
 /**
+ * struct hsi_channel - channel resource used by the hsi clients
+ * @id: Channel number
+ * @name: Channel name
+ */
+struct hsi_channel {
+        unsigned int    id;
+        const char      *name;
+};
+
+/**
  * struct hsi_config - Configuration for RX/TX HSI modules
  * @mode: Bit transmission mode (STREAM or FRAME)
- * @channels: Number of channels to use [1..16]
+ * @channels: Channel resources used by the client
+ * @num_channels: Number of channel resources
+ * @num_hw_channels: Number of channels the transceiver is configured for [1..16]
  * @speed: Max bit transmission speed (Kbit/s)
  * @flow: RX flow type (SYNCHRONIZED or PIPELINE)
  * @arb_mode: Arbitration mode for TX frame (Round robin, priority)
  */
 struct hsi_config {
-        unsigned int    mode;
-        unsigned int    channels;
-        unsigned int    speed;
+        unsigned int            mode;
+        struct hsi_channel      *channels;
+        unsigned int            num_channels;
+        unsigned int            num_hw_channels;
+        unsigned int            speed;
         union {
                 unsigned int    flow;           /* RX only */
                 unsigned int    arb_mode;       /* TX only */
@@ -282,6 +296,21 @@ struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags);
 void hsi_put_controller(struct hsi_controller *hsi);
 int hsi_register_controller(struct hsi_controller *hsi);
 void hsi_unregister_controller(struct hsi_controller *hsi);
+struct hsi_client *hsi_new_client(struct hsi_port *port,
+                                                struct hsi_board_info *info);
+int hsi_remove_client(struct device *dev, void *data);
+void hsi_port_unregister_clients(struct hsi_port *port);
+
+#ifdef CONFIG_OF
+void hsi_add_clients_from_dt(struct hsi_port *port,
+                             struct device_node *clients);
+#else
+static inline void hsi_add_clients_from_dt(struct hsi_port *port,
+                                           struct device_node *clients)
+{
+        return;
+}
+#endif
 
 static inline void hsi_controller_set_drvdata(struct hsi_controller *hsi,
                                                                 void *data)
@@ -305,6 +334,8 @@ static inline struct hsi_port *hsi_find_port_num(struct hsi_controller *hsi,
  */
 int hsi_async(struct hsi_client *cl, struct hsi_msg *msg);
 
+int hsi_get_channel_id_by_name(struct hsi_client *cl, char *name);
+
 /**
  * hsi_id - Get HSI controller ID associated to a client
  * @cl: Pointer to a HSI client